CVE-2026-40832: MB connect line mbCONNECT24 SQL injection in getDevicegroups

CVE-2026-40832 · Severity: medium · CVSS 6.5 · Published 2026-05-27

MB connect line's remote access platforms, used for industrial communication and machine maintenance, contain a security flaw. A user with low-level access can exploit this to view sensitive information across the entire database. This could lead to a total loss of confidentiality for customer data and system configurations.

Technologies: MB connect line mbCONNECT24, MB connect line mymbCONNECT24. Vendors: MB connect line.

Quick answers

Is CVE-2026-40832 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-40832 being exploited in the wild.
How severe is CVE-2026-40832?
Medium severity, with a CVSS score of 6.5, published 27 May 2026.
Which products and versions are affected?
MB connect line mbCONNECT24 <= 2.20.0; MB connect line mymbCONNECT24 <= 2.20.0.
Is there a fix for CVE-2026-40832?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-40832 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-40832?
Check whether you run MB connect line mbCONNECT24 or MB connect line mymbCONNECT24 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A SQL injection vulnerability exists in the getDevicegroups function of MB connect line mbCONNECT24 and mymbCONNECT24 firmware versions up to 2.20.0. The flaw is caused by improper neutralization of special elements within a SQL SELECT command. A remote attacker with low-level authenticated privileges can exploit this via the network to execute arbitrary SQL queries. Successful exploitation allows the attacker to read sensitive data from the database, resulting in a total loss of confidentiality.

Affected products

  • MB connect line mbCONNECT24 <= 2.20.0
  • MB connect line mymbCONNECT24 <= 2.20.0

Timeline

  • 2026-05-27: disclosed
  • 2026-05-27: advisory

References

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